FILS promotes Film speaker industry of Korea, a film speaker is made of a piezoelectric coating bonded with PVDF(Poly Vinylidene Fluoride), it as thin as paper, transparent as glass, light as vinyl and can be rolled up as tape. It emits sounds in all directions and can be printed or painted with any image. The sails of the boat from the above pictures are actually 2.1 channel speakers.

No information is available on pricing for now.

Source